avoid relaying changes if theres no one listening to the passthrough

in testing 84 dense cells could sustain MAX Integer on a FE p2p pair

gradle.properties

@@ -3,7 +3,7 @@ aechannel=stable
 aebuild=7
 aegroup=appeng
 aebasename=appliedenergistics2
-trousers=omni-fixes-v43
+trousers=omni-fixes-v44
 
 #########################################################
 # Versions                                              #

src/api/java/appeng/api/networking/crafting/ICraftingPatternDetails.java

@@ -31,6 +31,9 @@ import net.minecraft.world.World;
 import appeng.api.implementations.ICraftingPatternItem;
 import appeng.api.storage.data.IAEItemStack;
 
+import java.util.Collections;
+import java.util.List;
+
 
 /**
  * do not implement provided by {@link ICraftingPatternItem}
@@ -84,6 +87,11 @@ public interface ICraftingPatternDetails
 	 */
 	boolean canSubstitute();
 
+	default List<IAEItemStack> getSubstituteInputs( int slot )
+	{
+		return Collections.emptyList();
+	}
+
 	/**
 	 * Allow using this INSTANCE of the pattern details to preform the crafting action with performance enhancements.
 	 *

src/api/java/appeng/api/networking/storage/IStackWatcherHost.java

@@ -44,11 +44,8 @@ public interface IStackWatcherHost
 	/**
 	 * Called when a watched item changes amounts.
 	 *
-	 * @param o changed item list
-	 * @param fullStack old stack
 	 * @param diffStack new stack
-	 * @param src action source
 	 * @param chan storage channel
 	 */
-	void onStackChange( IItemList<?> o, IAEStack<?> fullStack, IAEStack<?> diffStack, IActionSource src, IStorageChannel<?> chan );
+	void onStackChange( IAEStack<?> diffStack, IStorageChannel<?> chan );
 }

src/api/java/appeng/api/storage/IMEMonitorHandlerReceiver.java

@@ -52,4 +52,9 @@ public interface IMEMonitorHandlerReceiver<T extends IAEStack<T>>
 	 * called when the list updates its contents, this is mostly for handling power events.
 	 */
 	void onListUpdate();
+
+	default boolean hasListeners()
+	{
+		return true;
+	}
 }

src/main/java/appeng/client/gui/implementations/GuiInterfaceTerminal.java

@@ -418,8 +418,12 @@ public class GuiInterfaceTerminal extends AEBaseGui
 			// Search if the current inventory holds a pattern containing the search term.
 			if( !found )
 			{
+				int slot = 0;
 				for( final ItemStack itemStack : entry.getInventory() )
 				{
+					if (slot > 8 + numUpgradesMap.get(entry) * 9) {
+						break;
+					}
 					if( !searchFieldInputs.isEmpty() && !searchFieldOutputs.isEmpty() ) {
 						if (this.itemStackMatchesSearchTerm(itemStack, searchFieldInputs, 0) || this.itemStackMatchesSearchTerm(itemStack, searchFieldOutputs, 1)) {
 							found = true;
@@ -441,6 +445,7 @@ public class GuiInterfaceTerminal extends AEBaseGui
 					// If only Interfaces with empty slots should be shown, check that here
 					if(itemStack.isEmpty())
 						interfaceHasFreeSlots = true;
+					slot++;
 				}
 			}
 			// if found, filter skipped or machine name matching the search term, add it

src/main/java/appeng/crafting/CraftingTreeNode.java

@@ -130,7 +130,12 @@ public class CraftingTreeNode
 
 			if( this.parent.details.canSubstitute() )
 			{
-				itemList = inventoryList.findFuzzy( this.what, FuzzyMode.IGNORE_ALL );
+				final List<IAEItemStack> substitutes = this.parent.details.getSubstituteInputs(this.slot);
+				itemList = new ArrayList<>(substitutes.size());
+
+				for (IAEItemStack stack : substitutes) {
+					itemList.addAll(inventoryList.findFuzzy(stack, FuzzyMode.IGNORE_ALL));
+				}
 			}
 			else
 			{

src/main/java/appeng/crafting/CraftingTreeProcess.java

@@ -305,7 +305,7 @@ public class CraftingTreeProcess
 
 	void getPlan( final IItemList<IAEItemStack> plan )
 	{
-		for( IAEItemStack i : this.details.getOutputs() )
+		for( IAEItemStack i : this.details.getCondensedOutputs() )
 		{
 			i = i.copy();
 			i.setCountRequestable( i.getStackSize() * this.crafts );

src/main/java/appeng/fluids/container/ContainerFluidTerminal.java

@@ -24,6 +24,9 @@ import java.nio.BufferOverflowException;
 
 import javax.annotation.Nonnull;
 
+import appeng.container.slot.AppEngSlot;
+import appeng.container.slot.SlotPlayerHotBar;
+import appeng.container.slot.SlotPlayerInv;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.entity.player.InventoryPlayer;
@@ -70,6 +73,7 @@ import appeng.me.helpers.ChannelPowerSrc;
 import appeng.util.ConfigManager;
 import appeng.util.IConfigManagerHost;
 import appeng.util.Platform;
+import net.minecraftforge.items.IItemHandler;
 
 
 /**
@@ -342,6 +346,89 @@ public class ContainerFluidTerminal extends AEBaseContainer implements IConfigMa
 		}
 	}
 
+	@Override
+	public ItemStack transferStackInSlot( final EntityPlayer p, final int idx )
+	{
+		if( Platform.isClient() )
+		{
+			return ItemStack.EMPTY;
+		}
+		EntityPlayerMP player = (EntityPlayerMP) p;
+		if( this.inventorySlots.get( idx ) instanceof SlotPlayerInv || this.inventorySlots.get( idx ) instanceof SlotPlayerHotBar )
+		{
+			final AppEngSlot clickSlot = (AppEngSlot) this.inventorySlots.get( idx ); // require AE SLots!
+			ItemStack itemStack = clickSlot.getStack();
+
+			ItemStack copy = itemStack.copy();
+			copy.setCount( 1 );
+			IFluidHandlerItem fh = FluidUtil.getFluidHandler( copy );
+			if( fh == null )
+			{
+				// only fluid handlers items
+				return ItemStack.EMPTY;
+			}
+
+			int heldAmount = itemStack.getCount();
+			for( int i = 0; i < heldAmount; i++ )
+			{
+				copy = itemStack.copy();
+				copy.setCount( 1 );
+				fh = FluidUtil.getFluidHandler( copy );
+
+				final FluidStack extract = fh.drain( Integer.MAX_VALUE, false );
+				if( extract == null || extract.amount < 1 )
+				{
+					return ItemStack.EMPTY;
+				}
+
+				// Check if we can push into the system
+				final IAEFluidStack notStorable = Platform.poweredInsert( this.getPowerSource(), this.monitor, AEFluidStack.fromFluidStack( extract ), this.getActionSource(), Actionable.SIMULATE );
+
+				if( notStorable != null && notStorable.getStackSize() > 0 )
+				{
+					final int toStore = (int) ( extract.amount - notStorable.getStackSize() );
+					final FluidStack storable = fh.drain( toStore, false );
+
+					if( storable == null || storable.amount == 0 )
+					{
+						return ItemStack.EMPTY;
+					}
+					else
+					{
+						extract.amount = storable.amount;
+					}
+				}
+
+				// Actually drain
+				final FluidStack drained = fh.drain( extract, true );
+				extract.amount = drained.amount;
+
+				final IAEFluidStack notInserted = Platform.poweredInsert( this.getPowerSource(), this.monitor, AEFluidStack.fromFluidStack( extract ), this.getActionSource() );
+
+				if( notInserted != null && notInserted.getStackSize() > 0 )
+				{
+					IAEFluidStack spill = this.monitor.injectItems( notInserted, Actionable.MODULATE, this.getActionSource() );
+					if( spill != null && spill.getStackSize() > 0 )
+					{
+						fh.fill( spill.getFluidStack(), true );
+					}
+				}
+
+				if( notInserted == null )
+				{
+					if( !player.inventory.addItemStackToInventory( fh.getContainer() ) )
+					{
+						player.dropItem( fh.getContainer(), false );
+					}
+					clickSlot.decrStackSize( 1 );
+				}
+			}
+			this.detectAndSendChanges();
+			return ItemStack.EMPTY;
+		}
+		return super.transferStackInSlot( p, idx );
+	}
+
 	@Override
 	public void doAction( EntityPlayerMP player, InventoryAction action, int slot, long id )
 	{
@@ -352,13 +439,9 @@ public class ContainerFluidTerminal extends AEBaseContainer implements IConfigMa
 		}
 
 		final ItemStack held = player.inventory.getItemStack();
-		if( held.getCount() != 1 )
-		{
-			// only support stacksize 1 for now
-			return;
-		}
-
-		final IFluidHandlerItem fh = FluidUtil.getFluidHandler( held );
+		ItemStack heldCopy = held.copy();
+		heldCopy.setCount( 1 );
+		IFluidHandlerItem fh = FluidUtil.getFluidHandler( heldCopy );
 		if( fh == null )
 		{
 			// only fluid handlers items
@@ -372,88 +455,122 @@ public class ContainerFluidTerminal extends AEBaseContainer implements IConfigMa
 			// Check how much we can store in the item
 			stack.setStackSize( Integer.MAX_VALUE );
 			int amountAllowed = fh.fill( stack.getFluidStack(), false );
-			stack.setStackSize( amountAllowed );
-
-			// Check if we can pull out of the system
-			final IAEFluidStack canPull = Platform.poweredExtraction( this.getPowerSource(), this.monitor, stack, this.getActionSource(), Actionable.SIMULATE );
-			if( canPull == null || canPull.getStackSize() < 1 )
+			int heldAmount = held.getCount();
+			for( int i = 0; i < heldAmount; i++ )
 			{
-				return;
-			}
+				ItemStack copiedFluidContainer = held.copy();
+				copiedFluidContainer.setCount( 1 );
+				fh = FluidUtil.getFluidHandler( copiedFluidContainer );
 
-			// How much could fit into the container
-			final int canFill = fh.fill( canPull.getFluidStack(), false );
-			if( canFill == 0 )
-			{
-				return;
-			}
-
-			// Now actually pull out of the system
-			stack.setStackSize( canFill );
-			final IAEFluidStack pulled = Platform.poweredExtraction( this.getPowerSource(), this.monitor, stack, this.getActionSource() );
-			if( pulled == null || pulled.getStackSize() < 1 )
-			{
-				// Something went wrong
-				AELog.error( "Unable to pull fluid out of the ME system even though the simulation said yes " );
-				return;
-			}
-
-			// Actually fill
-			final int used = fh.fill( pulled.getFluidStack(), true );
-
-			if( used != canFill )
-			{
-				AELog.error( "Fluid item [%s] reported a different possible amount than it actually accepted.", held.getDisplayName() );
-			}
-
-			player.inventory.setItemStack( fh.getContainer() );
-			this.updateHeld( player );
-		}
-		else if( action == InventoryAction.EMPTY_ITEM )
-		{
-			// See how much we can drain from the item
-			final FluidStack extract = fh.drain( Integer.MAX_VALUE, false );
-			if( extract == null || extract.amount < 1 )
-			{
-				return;
-			}
-
-			// Check if we can push into the system
-			final IAEFluidStack notStorable = Platform.poweredInsert( this.getPowerSource(), this.monitor, AEFluidStack.fromFluidStack( extract ),
-					this.getActionSource(), Actionable.SIMULATE );
-
-			if( notStorable != null && notStorable.getStackSize() > 0 )
-			{
-				final int toStore = (int) ( extract.amount - notStorable.getStackSize() );
-				final FluidStack storable = fh.drain( toStore, false );
-
-				if( storable == null || storable.amount == 0 )
+				// Check if we can pull out of the system
+				final IAEFluidStack canPull = Platform.poweredExtraction( this.getPowerSource(), this.monitor, stack.setStackSize( amountAllowed ), this.getActionSource(), Actionable.SIMULATE );
+				if( canPull == null || canPull.getStackSize() < 1 )
 				{
 					return;
 				}
+
+				// How much could fit into the container
+				final int canFill = fh.fill( canPull.getFluidStack(), false );
+				if( canFill == 0 )
+				{
+					return;
+				}
+
+				// Now actually pull out of the system
+				final IAEFluidStack pulled = Platform.poweredExtraction( this.getPowerSource(), this.monitor, stack.setStackSize( canFill ), this.getActionSource() );
+				if( pulled == null || pulled.getStackSize() < 1 )
+				{
+					// Something went wrong
+					AELog.error( "Unable to pull fluid out of the ME system even though the simulation said yes " );
+					return;
+				}
+
+				// Actually fill
+				final int used = fh.fill( pulled.getFluidStack(), true );
+
+				if( used != canFill )
+				{
+					AELog.error( "Fluid item [%s] reported a different possible amount than it actually accepted.", held.getDisplayName() );
+				}
+
+				if( held.getCount() == 1 )
+				{
+					player.inventory.setItemStack( fh.getContainer() );
+				}
 				else
 				{
-					extract.amount = storable.amount;
+					player.inventory.getItemStack().shrink( 1 );
+					if( !player.inventory.addItemStackToInventory( fh.getContainer() ) )
+					{
+						player.dropItem( fh.getContainer(), false );
+					}
 				}
 			}
+			this.updateHeld( player );
 
-			// Actually drain
-			final FluidStack drained = fh.drain( extract, true );
-			extract.amount = drained.amount;
-
-			final IAEFluidStack notInserted = Platform.poweredInsert( this.getPowerSource(), this.monitor, AEFluidStack.fromFluidStack( extract ),
-					this.getActionSource() );
-
-			if( notInserted != null && notInserted.getStackSize() > 0 )
+		}
+		else if( action == InventoryAction.EMPTY_ITEM )
+		{
+			int heldAmount = held.getCount();
+			for( int i = 0; i < heldAmount; i++ )
 			{
-				IAEFluidStack spill = this.monitor.injectItems( notInserted, Actionable.MODULATE, this.getActionSource() );
-				if( spill != null && spill.getStackSize() > 0 )
+				ItemStack copiedFluidContainer = held.copy();
+				copiedFluidContainer.setCount( 1 );
+				fh = FluidUtil.getFluidHandler( copiedFluidContainer );
+
+				// See how much we can drain from the item
+				final FluidStack extract = fh.drain( Integer.MAX_VALUE, false );
+				if( extract == null || extract.amount < 1 )
 				{
-					fh.fill( spill.getFluidStack(), true );
+					return;
+				}
+
+				// Check if we can push into the system
+				final IAEFluidStack notStorable = Platform.poweredInsert( this.getPowerSource(), this.monitor, AEFluidStack.fromFluidStack( extract ), this.getActionSource(), Actionable.SIMULATE );
+
+				if( notStorable != null && notStorable.getStackSize() > 0 )
+				{
+					final int toStore = (int) ( extract.amount - notStorable.getStackSize() );
+					final FluidStack storable = fh.drain( toStore, false );
+
+					if( storable == null || storable.amount == 0 )
+					{
+						return;
+					}
+					else
+					{
+						extract.amount = storable.amount;
+					}
+				}
+
+				// Actually drain
+				final FluidStack drained = fh.drain( extract, true );
+				extract.amount = drained.amount;
+
+				final IAEFluidStack notInserted = Platform.poweredInsert( this.getPowerSource(), this.monitor, AEFluidStack.fromFluidStack( extract ), this.getActionSource() );
+
+				if( notInserted != null && notInserted.getStackSize() > 0 )
+				{
+					IAEFluidStack spill = this.monitor.injectItems( notInserted, Actionable.MODULATE, this.getActionSource() );
+					if( spill != null && spill.getStackSize() > 0 )
+					{
+						fh.fill( spill.getFluidStack(), true );
+					}
+				}
+
+				if( held.getCount() == 1 )
+				{
+					player.inventory.setItemStack( fh.getContainer() );
+				}
+				else
+				{
+					player.inventory.getItemStack().shrink( 1 );
+					if( !player.inventory.addItemStackToInventory( fh.getContainer() ) )
+					{
+						player.dropItem( fh.getContainer(), false );
+					}
 				}
 			}
-
-			player.inventory.setItemStack( fh.getContainer() );
 			this.updateHeld( player );
 		}
 	}

src/main/java/appeng/fluids/parts/FluidHandlerAdapter.java

@@ -20,7 +20,6 @@ package appeng.fluids.parts;
 
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
@@ -45,7 +44,6 @@ import appeng.api.storage.channels.IFluidStorageChannel;
 import appeng.api.storage.data.IAEFluidStack;
 import appeng.api.storage.data.IItemList;
 import appeng.fluids.util.AEFluidStack;
-import appeng.me.GridAccessException;
 import appeng.me.helpers.IGridProxyable;
 import appeng.me.storage.ITickingMonitor;
 
@@ -94,14 +92,9 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 
 		if( type == Actionable.MODULATE )
 		{
-			try
-			{
-				this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
-			}
-			catch( GridAccessException ignore )
-			{
-				// meh
-			}
+			this.cache
+					.currentlyCached
+					.add( input.copy().setStackSize( wasFillled ));
 		}
 
 		fluidStack.amount = remaining;
@@ -123,18 +116,16 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 			return null;
 		}
 
+		IAEFluidStack gatheredAEFluidstack = AEFluidStack.fromFluidStack( gathered );
 		if( mode == Actionable.MODULATE )
 		{
-			try
+			IAEFluidStack e = this.cache.currentlyCached.findPrecise( gatheredAEFluidstack );
+			if (e != null)
 			{
-				this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
-			}
-			catch( GridAccessException ignore )
-			{
-				// meh
+				e.decStackSize( gathered.amount );
 			}
 		}
-		return AEFluidStack.fromFluidStack( gathered );
+		return gatheredAEFluidstack;
 	}
 
 	@Override
@@ -202,9 +193,10 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 
 	private static class InventoryCache
 	{
-		private IAEFluidStack[] cachedAeStacks = new IAEFluidStack[0];
 		private final IFluidHandler fluidHandler;
 		private final StorageFilter mode;
+		IItemList<IAEFluidStack> currentlyCached = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
+
 
 		public InventoryCache( IFluidHandler fluidHandler, StorageFilter mode )
 		{
@@ -216,19 +208,12 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 		{
 			final List<IAEFluidStack> changes = new ArrayList<>();
 			final IFluidTankProperties[] tankProperties = this.fluidHandler.getTankProperties();
-			final int slots = tankProperties.length;
 
-			// Make room for new slots
-			if( slots > this.cachedAeStacks.length )
-			{
-				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
-			}
+			IItemList<IAEFluidStack> currentlyOnStorage = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
 
-			for( int slot = 0; slot < slots; slot++ )
+			for( IFluidTankProperties tankProperty : tankProperties )
 			{
-				// Save the old stuff
-				final IAEFluidStack oldAEFS = this.cachedAeStacks[slot];
-				FluidStack newFS = tankProperties[slot].getContents();
+				FluidStack newFS = tankProperty.getContents();
 				if( this.mode == StorageFilter.EXTRACTABLE_ONLY && newFS != null )
 				{
 					if( this.fluidHandler.drain( 1, false ) == null )
@@ -236,82 +221,40 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 						newFS = null;
 					}
 				}
-				this.handlePossibleSlotChanges( slot, oldAEFS, newFS, changes );
-			}
-
-			// Handle cases where the number of slots actually is lower now than before
-			if( slots < this.cachedAeStacks.length )
-			{
-				for( int slot = slots; slot < this.cachedAeStacks.length; slot++ )
+				if( newFS != null )
 				{
-					final IAEFluidStack aeStack = this.cachedAeStacks[slot];
-
-					if( aeStack != null )
-					{
-						final IAEFluidStack a = aeStack.copy();
-						a.setStackSize( -a.getStackSize() );
-						changes.add( a );
-					}
+					currentlyOnStorage.add( AEFluidStack.fromFluidStack( newFS ) );
 				}
-
-				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
 			}
+
+			for ( final IAEFluidStack is : currentlyCached )
+			{
+				is.setStackSize( -is.getStackSize() );
+			}
+
+			for ( final IAEFluidStack is : currentlyOnStorage )
+			{
+				currentlyCached.add( is );
+			}
+
+			for ( final IAEFluidStack is : currentlyCached )
+			{
+				if( is.getStackSize() != 0 )
+				{
+					changes.add( is );
+				}
+			}
+
+			currentlyCached = currentlyOnStorage;
+
 			return changes;
 		}
 
 		public IItemList<IAEFluidStack> getAvailableItems( IItemList<IAEFluidStack> out )
 		{
-			Arrays.stream( this.cachedAeStacks ).forEach( out::add );
+			currentlyCached.iterator().forEachRemaining( out::add );
 			return out;
 		}
 
-		private void handlePossibleSlotChanges( int slot, IAEFluidStack oldAeFS, FluidStack newFS, List<IAEFluidStack> changes )
-		{
-			if( oldAeFS != null && oldAeFS.getFluidStack().isFluidEqual( newFS ) )
-			{
-				this.handleStackSizeChanged( slot, oldAeFS, newFS, changes );
-			}
-			else
-			{
-				this.handleFluidChanged( slot, oldAeFS, newFS, changes );
-			}
-		}
-
-		private void handleStackSizeChanged( int slot, IAEFluidStack oldAeFS, FluidStack newFS, List<IAEFluidStack> changes )
-		{
-			// Still the same fluid, but amount might have changed
-			final long diff = newFS.amount - oldAeFS.getStackSize();
-
-			if( diff != 0 )
-			{
-				final IAEFluidStack stack = oldAeFS.copy();
-				stack.setStackSize( newFS.amount );
-
-				this.cachedAeStacks[slot] = stack;
-
-				final IAEFluidStack a = stack.copy();
-				a.setStackSize( diff );
-				changes.add( a );
-			}
-		}
-
-		private void handleFluidChanged( int slot, IAEFluidStack oldAeFS, FluidStack newFS, List<IAEFluidStack> changes )
-		{
-			// Completely different fluid
-			this.cachedAeStacks[slot] = AEFluidStack.fromFluidStack( newFS );
-
-			// If we had a stack previously in this slot, notify the network about its disappearance
-			if( oldAeFS != null )
-			{
-				oldAeFS.setStackSize( -oldAeFS.getStackSize() );
-				changes.add( oldAeFS );
-			}
-
-			// Notify the network about the new stack. Note that this is null if newFS was null
-			if( this.cachedAeStacks[slot] != null )
-			{
-				changes.add( this.cachedAeStacks[slot] );
-			}
-		}
 	}
 }

src/main/java/appeng/fluids/parts/PartFluidLevelEmitter.java

@@ -4,7 +4,9 @@ package appeng.fluids.parts;
 
 import java.util.Random;
 
+import appeng.api.networking.events.MENetworkChannelChanged;
 import appeng.fluids.helper.IConfigurableFluidInventory;
+import appeng.me.cache.NetworkMonitor;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
@@ -34,7 +36,6 @@ import appeng.api.storage.IStorageChannel;
 import appeng.api.storage.channels.IFluidStorageChannel;
 import appeng.api.storage.data.IAEFluidStack;
 import appeng.api.storage.data.IAEStack;
-import appeng.api.storage.data.IItemList;
 import appeng.api.util.AECableType;
 import appeng.api.util.AEPartLocation;
 import appeng.api.util.IConfigManager;
@@ -112,11 +113,11 @@ public class PartFluidLevelEmitter extends PartUpgradeable implements IStackWatc
 	}
 
 	@Override
-	public void onStackChange( IItemList<?> o, IAEStack<?> fullStack, IAEStack<?> diffStack, IActionSource src, IStorageChannel<?> chan )
+	public void onStackChange( IAEStack<?> diffStack, IStorageChannel<?> chan )
 	{
-		if( chan == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) && fullStack.equals( this.config.getFluidInSlot( 0 ) ) )
+		if( chan == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) && diffStack.equals( this.config.getFluidInSlot( 0 ) ) )
 		{
-			this.lastReportedValue = fullStack.getStackSize();
+			this.lastReportedValue += diffStack.getStackSize();
 			this.updateState();
 		}
 	}
@@ -128,14 +129,22 @@ public class PartFluidLevelEmitter extends PartUpgradeable implements IStackWatc
 	}
 
 	@MENetworkEventSubscribe
-	public void channelChanged( final MENetworkChannelsChanged c )
+	public void powerStatusChange( final MENetworkPowerStatusChange powerEvent )
 	{
+		if (this.getProxy().isActive())
+		{
+			onListUpdate();
+		}
 		this.updateState();
 	}
 
 	@MENetworkEventSubscribe
-	public void powerChanged( final MENetworkPowerStatusChange c )
+	public void channelChanged( final MENetworkChannelsChanged c )
 	{
+		if (this.getProxy().isActive())
+		{
+			onListUpdate();
+		}
 		this.updateState();
 	}
 
@@ -247,10 +256,9 @@ public class PartFluidLevelEmitter extends PartUpgradeable implements IStackWatc
 
 		if( myStack == null )
 		{
-			this.lastReportedValue = 0;
-			for( final IAEFluidStack st : monitor.getStorageList() )
+			if( monitor instanceof NetworkMonitor )
 			{
-				this.lastReportedValue += st.getStackSize();
+				this.lastReportedValue = ( (NetworkMonitor<IAEFluidStack>) monitor ).getGridCurrentCount();
 			}
 		}
 		else

src/main/java/appeng/fluids/parts/PartFluidStorageBus.java

@@ -264,20 +264,17 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 	@Override
 	public void postChange( final IBaseMonitor<IAEFluidStack> monitor, final Iterable<IAEFluidStack> change, final IActionSource source )
 	{
-		if( source == this.source || source.machine().map( machine -> machine == this ).orElse( false ) )
+		try
 		{
-			try
+			if( this.getProxy().isActive() )
 			{
-				if( this.getProxy().isActive() )
-				{
-					this.getProxy().getStorage().postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ), change, this.source );
-				}
-			}
-			catch( final GridAccessException e )
-			{
-				// :(
+				this.getProxy().getStorage().postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ), change, this.source );
 			}
 		}
+		catch( final GridAccessException e )
+		{
+			// :(
+		}
 	}
 
 	public MEInventoryHandler<IAEFluidStack> getInternalHandler()
@@ -415,7 +412,7 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 	{
 		if( channel == this.getStorageChannel() )
 		{
-			final IMEInventoryHandler<IAEFluidStack> out = this.getProxy().isActive() ? this.getInternalHandler() : null;
+			final IMEInventoryHandler<IAEFluidStack> out = this.getInternalHandler();
 			if( out != null )
 			{
 				return Collections.singletonList( out );

src/main/java/appeng/helpers/DualityInterface.java

@@ -608,14 +608,14 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		List<ItemStack> dropList = new ArrayList<>();
 		for( int invSlot = 0; invSlot < patterns.getSlots(); invSlot++ )
 		{
-			if( invSlot >= 9 + ( this.getInstalledUpgrades( Upgrades.PATTERN_EXPANSION ) ) * 9 )
+			if( invSlot > 8 +  this.getInstalledUpgrades( Upgrades.PATTERN_EXPANSION ) * 9 )
 			{
 				ItemStack is = patterns.getStackInSlot( invSlot );
 				if( is.isEmpty() ) continue;
 				dropList.add( patterns.extractItem( invSlot, Integer.MAX_VALUE, false ) );
 			}
 		}
-		if( dropList.size() > 1 )
+		if( dropList.size() > 0 )
 		{
 			World world = this.getLocation().getWorld();
 			BlockPos blockPos = this.getLocation().getPos();

src/main/java/appeng/helpers/PatternHelper.java

@@ -19,21 +19,18 @@
 package appeng.helpers;
 
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.StringJoiner;
+import java.util.*;
+import java.util.stream.Collectors;
 
 import net.minecraft.inventory.InventoryCrafting;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.crafting.CraftingManager;
 import net.minecraft.item.crafting.IRecipe;
+import net.minecraft.item.crafting.Ingredient;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.nbt.NBTTagList;
+import net.minecraft.util.NonNullList;
 import net.minecraft.world.World;
 
 import appeng.api.AEApi;
@@ -46,11 +43,17 @@ import appeng.core.AELog;
 import appeng.core.features.AEFeature;
 import appeng.util.Platform;
 import appeng.util.item.AEItemStack;
+import net.minecraftforge.common.crafting.IShapedRecipe;
 
 
 public class PatternHelper implements ICraftingPatternDetails, Comparable<PatternHelper>
 {
 
+	private static final int CRAFTING_GRID_DIMENSION = 3;
+	private static final int ALL_INPUT_LIMIT = CRAFTING_GRID_DIMENSION * CRAFTING_GRID_DIMENSION;
+	private static final int CRAFTING_OUTPUT_LIMIT = 1;
+	private static final int PROCESSING_OUTPUT_LIMIT = 3;
+
 	private final ItemStack patternItem;
 	private final InventoryCrafting crafting = new InventoryCrafting( new ContainerNull(), 3, 3 );
 	private final InventoryCrafting testFrame = new InventoryCrafting( new ContainerNull(), 3, 3 );
@@ -60,6 +63,7 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 	private final IAEItemStack[] condensedOutputs;
 	private final IAEItemStack[] inputs;
 	private final IAEItemStack[] outputs;
+	private final Map<Integer, List<IAEItemStack>> substituteInputs;
 	private final boolean isCrafting;
 	private final boolean canSubstitute;
 	private final Set<TestLookup> failCache = new HashSet<>();
@@ -143,9 +147,11 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 				}
 			}
 		}
+		final int outputLength = this.isCrafting ? CRAFTING_OUTPUT_LIMIT : PROCESSING_OUTPUT_LIMIT;
 
-		this.outputs = out.toArray( new IAEItemStack[out.size()] );
-		this.inputs = in.toArray( new IAEItemStack[in.size()] );
+		this.inputs = in.toArray(new IAEItemStack[ALL_INPUT_LIMIT]);
+		this.outputs = out.toArray(new IAEItemStack[outputLength]);
+		this.substituteInputs = new HashMap<>(ALL_INPUT_LIMIT);
 
 		final Map<IAEItemStack, IAEItemStack> tmpOutputs = new HashMap<>();
 
@@ -257,6 +263,14 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 
 		this.testFrame.setInventorySlotContents( slotIndex, i );
 
+		// If we cannot substitute, the items must match exactly
+		if (!canSubstitute && slotIndex < inputs.length) {
+			if (!inputs[slotIndex].isSameType(i)) {
+				this.markItemAs(slotIndex, i, TestStatus.DECLINE);
+				return false;
+			}
+		}
+
 		if( this.standardRecipe.matches( this.testFrame, w ) )
 		{
 			final ItemStack testOutput = this.standardRecipe.getCraftingResult( this.testFrame );
@@ -268,25 +282,6 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 				return true;
 			}
 		}
-		else if( AEConfig.instance().isFeatureEnabled( AEFeature.CRAFTING_MANAGER_FALLBACK ) )
-		{
-			final ItemStack testOutput = CraftingManager.findMatchingResult( this.testFrame, w );
-
-			if( Platform.itemComparisons().isSameItem( this.correctOutput, testOutput ) )
-			{
-				this.testFrame.setInventorySlotContents( slotIndex, this.crafting.getStackInSlot( slotIndex ) );
-				this.markItemAs( slotIndex, i, TestStatus.ACCEPT );
-
-				if( AELog.isCraftingDebugLogEnabled() )
-				{
-					this.warnAboutCraftingManager( true );
-				}
-
-				return true;
-			}
-
-			this.warnAboutCraftingManager( false );
-		}
 
 		this.markItemAs( slotIndex, i, TestStatus.DECLINE );
 		return false;
@@ -328,6 +323,97 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 		return this.canSubstitute;
 	}
 
+	@Override
+	public List<IAEItemStack> getSubstituteInputs(int slot) {
+		if (this.inputs[slot] == null) {
+			return Collections.emptyList();
+		}
+
+		return this.substituteInputs.computeIfAbsent(slot, value -> {
+			ItemStack[] matchingStacks = getRecipeIngredient(slot).getMatchingStacks();
+			List<IAEItemStack> itemList = new ArrayList<>(matchingStacks.length + 1);
+			for (ItemStack matchingStack : matchingStacks) {
+				itemList.add(AEItemStack.fromItemStack(matchingStack));
+			}
+
+			// Ensure that the specific item put in by the user is at the beginning,
+			// so that it takes precedence over substitutions
+			itemList.add(0, this.inputs[slot]);
+			return itemList;
+		});
+	}
+
+	/**
+	 * Gets the {@link Ingredient} from the actual used recipe for a given slot-index into {@link #getInputs()}.
+	 * <p/>
+	 * Conversion is needed for two reasons: our sparse ingredients are always organized in a 3x3 grid, while Vanilla's
+	 * ingredient list will be condensed to the actual recipe's grid size. In addition, in our 3x3 grid, the user can
+	 * shift the actual recipe input to the right and down.
+	 */
+	private Ingredient getRecipeIngredient(int slot) {
+
+		if (standardRecipe instanceof IShapedRecipe ) {
+			IShapedRecipe shapedRecipe = (IShapedRecipe) standardRecipe;
+
+			return getShapedRecipeIngredient(slot, shapedRecipe.getRecipeWidth());
+		} else {
+			return getShapelessRecipeIngredient(slot);
+		}
+	}
+
+	private Ingredient getShapedRecipeIngredient(int slot, int recipeWidth) {
+		// Compute the offset of the user's input vs. crafting grid origin
+		// Which is >0 if they have empty rows above or to the left of their input
+		int topOffset = 0;
+		if (inputs[0] == null && inputs[1] == null && inputs[2] == null) {
+			topOffset++; // First row is fully empty
+			if (inputs[3] == null && inputs[4] == null && inputs[5] == null) {
+				topOffset++; // Second row is fully empty
+			}
+		}
+		int leftOffset = 0;
+		if (inputs[0] == null && inputs[3] == null && inputs[6] == null) {
+			leftOffset++; // First column is fully empty
+			if (inputs[1] == null && inputs[4] == null && inputs[7] == null) {
+				leftOffset++; // Second column is fully empty
+			}
+		}
+
+		// Compute the x,y of the slot, as-if the recipe was anchored to 0,0
+		int slotX = slot % CRAFTING_GRID_DIMENSION - leftOffset;
+		int slotY = slot / CRAFTING_GRID_DIMENSION - topOffset;
+
+		// Compute the index into the recipe's ingredient list now
+		int ingredientIndex = slotY * recipeWidth + slotX;
+
+		NonNullList<Ingredient> ingredients = standardRecipe.getIngredients();
+
+		if (ingredientIndex < 0 || ingredientIndex > ingredients.size()) {
+			return Ingredient.EMPTY;
+		}
+
+		return ingredients.get(ingredientIndex);
+	}
+
+	private Ingredient getShapelessRecipeIngredient(int slot) {
+		// We map the list of *filled* sparse inputs to the shapeless (ergo unordered)
+		// ingredients. While these do not actually correspond to each other,
+		// since both lists have the same length, the mapping is at least stable.
+		int ingredientIndex = 0;
+		for (int i = 0; i < slot; i++) {
+			if (inputs[i] != null) {
+				ingredientIndex++;
+			}
+		}
+
+		NonNullList<Ingredient> ingredients = standardRecipe.getIngredients();
+		if (ingredientIndex < ingredients.size()) {
+			return ingredients.get(ingredientIndex);
+		}
+
+		return Ingredient.EMPTY;
+	}
+	
 	@Override
 	public ItemStack getOutput( final InventoryCrafting craftingInv, final World w )
 	{
@@ -406,24 +492,6 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 		return this.pattern.hashCode();
 	}
 
-	private void warnAboutCraftingManager( boolean foundAlternative )
-	{
-		final String foundAlternativeRecipe = foundAlternative ? "Found alternative recipe." : "NOT FOUND, please report.";
-
-		final StringJoiner joinActualInputs = new StringJoiner( ", " );
-		for( int j = 0; j < this.testFrame.getSizeInventory(); j++ )
-		{
-			final ItemStack stack = this.testFrame.getStackInSlot( j );
-			if( !stack.isEmpty() )
-			{
-				joinActualInputs.add( stack.toString() );
-			}
-		}
-
-		AELog.warn( "Using CraftingManager fallback: Recipe <%s> for output <%s> rejected inputs [%s]. %s",
-				this.standardRecipe.getRegistryName(), this.standardRecipe.getRecipeOutput(), joinActualInputs, foundAlternativeRecipe );
-	}
-
 	@Override
 	public boolean equals( final Object obj )
 	{

src/main/java/appeng/integration/modules/jei/RecipeTransferHandler.java

@@ -147,8 +147,12 @@ class RecipeTransferHandler<T extends Container> implements IRecipeTransferHandl
 						}
 
 						// prefer pure crystals.
-						for( ItemStack stack : ingredient.getAllIngredients() )
+						for ( ItemStack stack : ingredient.getAllIngredients() )
 						{
+							if( stack == null )
+							{
+								continue;
+							}
 							if( Platform.isRecipePrioritized( stack ) )
 							{
 								list.add( 0, stack );
@@ -159,7 +163,7 @@ class RecipeTransferHandler<T extends Container> implements IRecipeTransferHandl
 							}
 						}
 
-						for( final ItemStack is : list )
+						for ( final ItemStack is : list )
 						{
 							final NBTTagCompound tag = new NBTTagCompound();
 							is.writeToNBT( tag );

src/main/java/appeng/items/misc/ItemEncodedPattern.java

@@ -225,7 +225,7 @@ public class ItemEncodedPattern extends AEBaseItem implements ICraftingPatternIt
 
 		final ICraftingPatternDetails details = this.getPatternForItem( item, w );
 
-		out = details != null ? details.getOutputs()[0].createItemStack() : ItemStack.EMPTY;
+		out = details != null ? details.getCondensedOutputs()[0].createItemStack() : ItemStack.EMPTY;
 
 		SIMPLE_CACHE.put( item, out );
 		return out;

src/main/java/appeng/me/cache/CraftingGridCache.java

@@ -296,7 +296,7 @@ public class CraftingGridCache implements ICraftingGrid, ICraftingProviderHelper
 		// new craftables!
 		for( final ICraftingPatternDetails details : this.craftingMethods.keySet() )
 		{
-			for( IAEItemStack out : details.getOutputs() )
+			for( IAEItemStack out : details.getCondensedOutputs() )
 			{
 				out = out.copy();
 				out.reset();

src/main/java/appeng/me/cache/EnergyGridCache.java

@@ -202,23 +202,6 @@ public class EnergyGridCache implements IEnergyGrid
 	@Override
 	public void onUpdateTick()
 	{
-		if (!providerToRemove.isEmpty() && !ongoingExtractOperation) {
-			this.providers.removeIf( p -> providerToRemove.contains( p ) );
-			providerToRemove.clear();
-		}
-		if (!requesterToRemove.isEmpty() && !ongoingInjectOperation) {
-			this.requesters.removeIf( r -> providerToRemove.contains( r ) );
-			requesterToRemove.clear();
-		}
-		if (!providersToAdd.isEmpty() && !ongoingExtractOperation) {
-			this.providers.addAll(providersToAdd);
-			providersToAdd.clear();
-		}
-		if( !requesterToAdd.isEmpty() && !ongoingInjectOperation){
-			this.requesters.addAll(requesterToAdd);
-			requesterToAdd.clear();
-		}
-
 		if( !this.interests.isEmpty() )
 		{
 			final double oldPower = this.lastStoredPower;
@@ -248,7 +231,7 @@ public class EnergyGridCache implements IEnergyGrid
 		if( this.drainPerTick > 0.0001 )
 		{
 			final double drained = this.extractAEPower( this.getIdlePowerUsage(), Actionable.MODULATE, PowerMultiplier.CONFIG );
-			currentlyHasPower = drained >= this.drainPerTick - 0.001;
+			currentlyHasPower = drained >= this.drainPerTick - 0.001 && this.getStoredPower() > 0;
 		}
 		else
 		{
@@ -352,6 +335,9 @@ public class EnergyGridCache implements IEnergyGrid
 	{
 		double extractedPower = 0;
 
+		this.providers.addAll( providersToAdd );
+		providersToAdd.clear();
+
 		final Iterator<IAEPowerStorage> it = this.providers.iterator();
 
 		ongoingExtractOperation = true;
@@ -361,12 +347,6 @@ public class EnergyGridCache implements IEnergyGrid
 			{
 				final IAEPowerStorage node = it.next();
 
-				if ( providerToRemove.contains( node )) {
-					it.remove();
-					providerToRemove.remove( node );
-					continue;
-				}
-
 				final double req = amt - extractedPower;
 				final double newPower = node.extractAEPower( req, mode, PowerMultiplier.ONE );
 				extractedPower += newPower;
@@ -376,7 +356,10 @@ public class EnergyGridCache implements IEnergyGrid
 					it.remove();
 				}
 			}
-		} finally {
+		} finally
+		{
+			providers.removeIf( p -> providerToRemove.contains( p ) );
+			this.providerToRemove.clear();
 			ongoingExtractOperation = false;
 		}
 
@@ -401,6 +384,9 @@ public class EnergyGridCache implements IEnergyGrid
 	{
 		final double originalAmount = amt;
 
+		this.requesters.addAll( requesterToAdd );
+		requesterToAdd.clear();
+
 		final Iterator<IAEPowerStorage> it = this.requesters.iterator();
 
 		ongoingInjectOperation = true;
@@ -410,12 +396,6 @@ public class EnergyGridCache implements IEnergyGrid
 			{
 				final IAEPowerStorage node = it.next();
 
-				if ( requesterToRemove.contains( node )) {
-					it.remove();
-					requesterToRemove.remove( node );
-					continue;
-				}
-
 				amt = node.injectAEPower( amt, mode );
 
 				if( amt > 0 && mode == Actionable.MODULATE )
@@ -425,6 +405,8 @@ public class EnergyGridCache implements IEnergyGrid
 			}
 		} finally
 		{
+			requesters.removeIf( r -> requesterToRemove.contains( r ) );
+			this.requesterToRemove.clear();
 			ongoingInjectOperation = false;
 		}
 
@@ -505,11 +487,7 @@ public class EnergyGridCache implements IEnergyGrid
 	@Override
 	public double getStoredPower()
 	{
-		if( this.availableTicksSinceUpdate > 2 )
-		{
-			this.refreshPower();
-		}
-
+		this.refreshPower();
 		return Math.max( 0.0, this.globalAvailablePower );
 	}
 
@@ -810,8 +788,12 @@ public class EnergyGridCache implements IEnergyGrid
 
 			if( this.stored < 0.01 )
 			{
-				EnergyGridCache.this.ticksSinceHasPowerChange = 0;
-				EnergyGridCache.this.publicPowerState( false, EnergyGridCache.this.myGrid );
+				refreshPower();
+				if (globalAvailablePower < MAX_BUFFER_STORAGE - 0.001)
+				{
+					EnergyGridCache.this.ticksSinceHasPowerChange = 0;
+					EnergyGridCache.this.publicPowerState( false, EnergyGridCache.this.myGrid );
+				}
 			}
 		}
 	}

src/main/java/appeng/me/cache/NetworkMonitor.java

@@ -19,17 +19,21 @@
 package appeng.me.cache;
 
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Deque;
-import java.util.HashMap;
 import java.util.Iterator;
-import java.util.Map;
 import java.util.Map.Entry;
 
 import javax.annotation.Nonnegative;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
+import appeng.api.AEApi;
+import appeng.api.storage.channels.IFluidStorageChannel;
+import appeng.api.storage.channels.IItemStorageChannel;
+import appeng.api.storage.data.IAEFluidStack;
+import appeng.api.storage.data.IAEItemStack;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Queues;
 
@@ -66,6 +70,8 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 	private boolean hasChanged = false;
 	@Nonnegative
 	private int localDepthSemaphore = 0;
+	private long gridItemCount;
+	private long gridFluidCount;
 
 	public NetworkMonitor( final GridStorageCache cache, final IStorageChannel<T> chan )
 	{
@@ -137,6 +143,32 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 		return this.getHandler().getSlot();
 	}
 
+	public long getGridCurrentCount()
+	{
+		if( myChannel == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
+		{
+			return gridItemCount;
+		}
+		else if( myChannel == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) )
+		{
+			return gridFluidCount;
+		}
+		return 0;
+	}
+
+	public long incGridCurrentCount(long count)
+	{
+		if( myChannel == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
+		{
+			return gridItemCount += count;
+		}
+		else if( myChannel == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) )
+		{
+			return gridFluidCount += count;
+		}
+		return 0;
+	}
+
 	@Nonnull
 	@Override
 	public IItemList<T> getStorageList()
@@ -230,7 +262,7 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 		{
 			final Entry<IMEMonitorHandlerReceiver<T>, Object> o = i.next();
 			final IMEMonitorHandlerReceiver<T> receiver = o.getKey();
-			if( receiver.isValid( o.getValue() ) )
+			if( receiver.isValid( o.getValue() ) && receiver.hasListeners() )
 			{
 				receiver.postChange( this, diff, src );
 			}
@@ -258,9 +290,7 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 
 		this.sendEvent = true;
 
-		this.notifyListenersOfChange( changes, src );
-
-		for( final T changedItem : changes )
+		for ( final T changedItem : changes )
 		{
 			T difference = changedItem;
 
@@ -270,25 +300,20 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 				difference.setStackSize( -changedItem.getStackSize() );
 			}
 
+			incGridCurrentCount( difference.getStackSize() );
+			this.cachedList.add( difference );
+
 			if( this.myGridCache.getInterestManager().containsKey( changedItem ) )
 			{
 				final Collection<ItemWatcher> list = this.myGridCache.getInterestManager().get( changedItem );
 
 				if( !list.isEmpty() )
 				{
-					IAEStack<T> fullStack = this.getStorageList().findPrecise( changedItem );
-
-					if( fullStack == null )
-					{
-						fullStack = changedItem.copy();
-						fullStack.setStackSize( 0 );
-					}
-
 					this.myGridCache.getInterestManager().enableTransactions();
 
 					for( final ItemWatcher iw : list )
 					{
-						iw.getHost().onStackChange( this.getStorageList(), fullStack, difference, src, this.getChannel() );
+						iw.getHost().onStackChange( difference, this.getChannel() );
 					}
 
 					this.myGridCache.getInterestManager().disableTransactions();
@@ -296,6 +321,8 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 			}
 		}
 
+		this.notifyListenersOfChange( changes, src );
+
 		final NetworkMonitor<?> last = GLOBAL_DEPTH.pop();
 		this.localDepthSemaphore--;
 
@@ -308,9 +335,28 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 	void forceUpdate()
 	{
 		this.hasChanged = true;
+		//when the grid comes back online, reset the count to 0 so
+		//it reflects the correct amount after the changes are accounted for
+
+		if( myChannel == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
+		{
+			gridItemCount = 0;
+			for( IAEItemStack iaeItemStack : (Iterable<IAEItemStack>) getStorageList() )
+			{
+				gridItemCount += iaeItemStack.getStackSize();
+			}
+		}
+		else if( myChannel == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) )
+		{
+			gridFluidCount = 0;
+			for( IAEFluidStack iaeFluidStack : (Iterable<IAEFluidStack>) getStorageList() )
+			{
+				gridFluidCount += iaeFluidStack.getStackSize();
+			}
+		}
 
 		final Iterator<Entry<IMEMonitorHandlerReceiver<T>, Object>> i = this.getListeners();
-		while( i.hasNext() )
+		while ( i.hasNext() )
 		{
 			final Entry<IMEMonitorHandlerReceiver<T>, Object> o = i.next();
 			final IMEMonitorHandlerReceiver<T> receiver = o.getKey();
@@ -333,5 +379,6 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 			this.sendEvent = false;
 			this.myGridCache.getGrid().postEvent( new MENetworkStorageEvent( this, this.myChannel ) );
 		}
+
 	}
 }

src/main/java/appeng/me/cache/TickManagerCache.java

@@ -138,7 +138,6 @@ public class TickManagerCache implements ITickManager
 			tt.addEntityCrashInfo( crashreportcategory );
 			throw new ReportedException( crashreport );
 		}
-		PartLevelEmitter.wipeCache();
 	}
 
 	private void addToQueue( final TickTracker tt )

src/main/java/appeng/me/cluster/implementations/CraftingCPUCluster.java

@@ -494,22 +494,87 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 		return null;
 	}
 
-	private boolean canCraft( final ICraftingPatternDetails details, final IAEItemStack[] condensedInputs )
+	private boolean canCraft(final ICraftingPatternDetails details, final IAEItemStack[] condensedInputs)
 	{
-		for( IAEItemStack g : condensedInputs )
+		if( !details.isCraftable() )
 		{
+			// Processing patterns are relatively easy
+			for ( IAEItemStack input : condensedInputs )
+			{
+				final IAEItemStack ais = this.inventory.extractItems( input.copy(), Actionable.SIMULATE,
+						this.machineSrc );
 
-			if( details.isCraftable() )
+				if( ais == null || ais.getStackSize() < input.getStackSize() )
+				{
+					return false;
+				}
+			}
+		}
+		else if( details.canSubstitute() )
+		{
+			// When substitutions are allowed, we have to keep track of which items we've reserved
+			IAEItemStack[] inputs = details.getInputs();
+			Map<IAEItemStack, Integer> consumedCount = new HashMap<>();
+			for ( int i = 0; i < inputs.length; i++ )
+			{
+				List<IAEItemStack> substitutes = details.getSubstituteInputs( i );
+				if( substitutes.isEmpty() )
+				{
+					continue;
+				}
+
+				boolean found = false;
+				for ( IAEItemStack substitute : substitutes )
+				{
+					for ( IAEItemStack fuzz : this.inventory.getItemList().findFuzzy( substitute, FuzzyMode.IGNORE_ALL ) )
+					{
+						int alreadyConsumed = consumedCount.getOrDefault( fuzz, 0 );
+						if( fuzz.getStackSize() - alreadyConsumed <= 0 )
+						{
+							continue; // Already fully consumed by a previous slot of this recipe
+						}
+
+						fuzz = fuzz.copy();
+						fuzz.setStackSize( 1 ); // We're iterating over non condensed inputs which means there's 1 of each needed
+						final IAEItemStack ais = this.inventory.extractItems( fuzz, Actionable.SIMULATE,
+								this.machineSrc );
+
+						if( ais != null && ais.getStackSize() > 0 )
+						{
+							// Mark 1 of the stack as consumed
+							consumedCount.merge( fuzz, 1, Integer::sum );
+							found = true;
+							break;
+						}
+					}
+					if( found )
+					{
+						break;
+					}
+				}
+
+				if( !found )
+				{
+					return false;
+				}
+			}
+
+		}
+		else
+		{
+			// When no substitutions can occur, we can simply check that all items are accounted since
+			// each type of item should only occur once
+			for ( IAEItemStack g : condensedInputs )
 			{
 				boolean found = false;
 
-				for( IAEItemStack fuzz : this.inventory.getItemList().findFuzzy( g, FuzzyMode.IGNORE_ALL ) )
+				for ( IAEItemStack fuzz : this.inventory.getItemList().findFuzzy( g, FuzzyMode.IGNORE_ALL ) )
 				{
 					fuzz = fuzz.copy();
 					fuzz.setStackSize( g.getStackSize() );
 					final IAEItemStack ais = this.inventory.extractItems( fuzz, Actionable.SIMULATE, this.machineSrc );
 
-					if (ais != null && ais.getStackSize() == g.getStackSize())
+					if( ais != null && ais.getStackSize() >= g.getStackSize() )
 					{
 						found = true;
 						break;
@@ -526,15 +591,7 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 					return false;
 				}
 			}
-			else
-			{
-				final IAEItemStack ais = this.inventory.extractItems( g.copy(), Actionable.SIMULATE, this.machineSrc );
 
-				if (ais == null || ais.getStackSize() < g.getStackSize())
-				{
-					return false;
-				}
-			}
 		}
 
 		return true;
@@ -689,71 +746,67 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 							ic = new InventoryCrafting( new ContainerNull(), 3, 3 );
 							boolean found = false;
 
-							for( int x = 0; x < input.length; x++ )
-							{
-								if( input[x] != null )
-								{
+							for (int x = 0; x < input.length; x++) {
+								if (input[x] != null) {
 									found = false;
 
-									if( details.isCraftable() )
-									{
+									if (details.isCraftable()) {
 										final Collection<IAEItemStack> itemList;
 
-										if( details.canSubstitute() )
-										{
-											itemList = this.inventory.getItemList().findFuzzy( input[x], FuzzyMode.IGNORE_ALL );
-										}
-										else
-										{
-											itemList = new ArrayList<>( 1 );
+										if (details.canSubstitute()) {
+											final List<IAEItemStack> substitutes = details.getSubstituteInputs(x);
+											itemList = new ArrayList<>(substitutes.size());
 
-											final IAEItemStack item = this.inventory.getItemList().findPrecise( input[x] );
+											for (IAEItemStack stack : substitutes) {
+												itemList.addAll(this.inventory.getItemList().findFuzzy(stack,
+														FuzzyMode.IGNORE_ALL));
+											}
+										} else {
+											itemList = new ArrayList<>(1);
 
-											if( item != null )
-											{
-												itemList.add( item );
+											final IAEItemStack item = this.inventory.getItemList()
+													.findPrecise(input[x]);
+
+											if (item != null) {
+												itemList.add(item);
 											}
 										}
 
-										for( IAEItemStack fuzz : itemList )
-										{
+										for (IAEItemStack fuzz : itemList) {
 											fuzz = fuzz.copy();
-											fuzz.setStackSize( input[x].getStackSize() );
+											fuzz.setStackSize(input[x].getStackSize());
 
-											if( details.isValidItemForSlot( x, fuzz.createItemStack(), this.getWorld() ) )
-											{
-												final IAEItemStack ais = this.inventory.extractItems( fuzz, Actionable.MODULATE, this.machineSrc );
-												final ItemStack is = ais == null ? ItemStack.EMPTY : ais.createItemStack();
+											if (details.isValidItemForSlot(x, fuzz.createItemStack(),
+													this.getWorld())) {
+												final IAEItemStack ais = this.inventory.extractItems(fuzz,
+														Actionable.MODULATE, this.machineSrc);
+												final ItemStack is = ais == null ? ItemStack.EMPTY
+														: ais.createItemStack();
 
-												if( !is.isEmpty() )
-												{
-													this.postChange( AEItemStack.fromItemStack( is ), this.machineSrc );
-													ic.setInventorySlotContents( x, is );
+												if (!is.isEmpty()) {
+													this.postChange(AEItemStack.fromItemStack(is), this.machineSrc);
+													ic.setInventorySlotContents(x, is);
 													found = true;
 													break;
 												}
 											}
 										}
-									}
-									else
-									{
-										final IAEItemStack ais = this.inventory.extractItems( input[x].copy(), Actionable.MODULATE, this.machineSrc );
+									} else {
+										final IAEItemStack ais = this.inventory.extractItems(input[x].copy(),
+												Actionable.MODULATE, this.machineSrc);
 										final ItemStack is = ais == null ? ItemStack.EMPTY : ais.createItemStack();
 
-										if( !is.isEmpty() )
-										{
-											this.postChange( input[x], this.machineSrc );
-											ic.setInventorySlotContents( x, is );
-											if( is.getCount() == input[x].getStackSize() )
-											{
+										if (!is.isEmpty()) {
+											this.postChange(input[x], this.machineSrc);
+											ic.setInventorySlotContents(x, is);
+											if (is.getCount() == input[x].getStackSize()) {
 												found = true;
 												continue;
 											}
 										}
 									}
 
-									if( !found )
-									{
+									if (!found) {
 										break;
 									}
 								}

src/main/java/appeng/me/helpers/GenericInterestManager.java

@@ -23,9 +23,10 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 
-import com.google.common.collect.Multimap;
-
+import appeng.api.config.FuzzyMode;
 import appeng.api.storage.data.IAEStack;
+import appeng.util.item.AEItemStack;
+import com.google.common.collect.Multimap;
 
 
 public class GenericInterestManager<T>
@@ -101,12 +102,30 @@ public class GenericInterestManager<T>
 
 	public boolean containsKey( final IAEStack stack )
 	{
+		if( stack.isItem() && ( ( AEItemStack ) stack ).getItem().isDamageable() )
+		{
+			return this.container.keySet().stream().filter( s -> s.isItem() )
+					.anyMatch( s -> s.fuzzyComparison( stack, FuzzyMode.IGNORE_ALL ) );
+		}
 		return this.container.containsKey( stack );
 	}
 
 	public Collection<T> get( final IAEStack stack )
 	{
-		return this.container.get( stack );
+		Collection<T> watchers = new ArrayList<>();
+		if( stack.isItem() && ( ( AEItemStack ) stack ).getItem().isDamageable() )
+		{
+			this.container.keySet().stream().filter( s -> s.isItem() )
+					.filter( k -> k.fuzzyComparison( stack, FuzzyMode.IGNORE_ALL ) )
+					.forEach( key ->
+							watchers.addAll( this.container.get( key ) )
+					);
+		}
+		else
+		{
+			return this.container.get( stack );
+		}
+		return watchers;
 	}
 
 	private class SavedTransactions

src/main/java/appeng/me/storage/MEMonitorPassThrough.java

@@ -90,6 +90,13 @@ public class MEMonitorPassThrough<T extends IAEStack<T>> extends MEPassThrough<T
 	@Override
 	public void addListener( final IMEMonitorHandlerReceiver<T> l, final Object verificationToken )
 	{
+		if( this.listeners.size() == 0 )
+		{
+			if( this.monitor != null )
+			{
+				this.monitor.addListener( this, this.monitor );
+			}
+		}
 		this.listeners.put( l, verificationToken );
 	}
 
@@ -117,6 +124,12 @@ public class MEMonitorPassThrough<T extends IAEStack<T>> extends MEPassThrough<T
 		return verificationToken == this.monitor;
 	}
 
+	@Override
+	public boolean hasListeners()
+	{
+		return this.listeners.size() > 0;
+	}
+
 	@Override
 	public void postChange( final IBaseMonitor<T> monitor, final Iterable<T> change, final IActionSource source )
 	{

src/main/java/appeng/parts/automation/PartLevelEmitter.java

@@ -19,11 +19,17 @@
 package appeng.parts.automation;
 
 
+import java.util.Collections;
+import java.util.Optional;
 import java.util.Random;
 
+import appeng.api.networking.events.*;
 import appeng.me.Grid;
 import appeng.me.GridNode;
+import appeng.me.cache.NetworkMonitor;
 import appeng.util.item.AEItemStack;
+import appeng.util.item.OreHelper;
+import appeng.util.item.OreReference;
 import it.unimi.dsi.fastutil.objects.Object2LongMap;
 import it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap;
 import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
@@ -56,10 +62,6 @@ import appeng.api.networking.crafting.ICraftingWatcherHost;
 import appeng.api.networking.energy.IEnergyGrid;
 import appeng.api.networking.energy.IEnergyWatcher;
 import appeng.api.networking.energy.IEnergyWatcherHost;
-import appeng.api.networking.events.MENetworkChannelsChanged;
-import appeng.api.networking.events.MENetworkCraftingPatternChange;
-import appeng.api.networking.events.MENetworkEventSubscribe;
-import appeng.api.networking.events.MENetworkPowerStatusChange;
 import appeng.api.networking.security.IActionSource;
 import appeng.api.networking.storage.IBaseMonitor;
 import appeng.api.networking.storage.IStackWatcher;
@@ -72,7 +74,6 @@ import appeng.api.storage.IStorageChannel;
 import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IAEStack;
-import appeng.api.storage.data.IItemList;
 import appeng.api.util.AECableType;
 import appeng.api.util.AEPartLocation;
 import appeng.api.util.IConfigManager;
@@ -123,9 +124,6 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 	private double centerX;
 	private double centerY;
 	private double centerZ;
-	static Object2LongMap<Grid> gridItemCount = new Object2LongOpenHashMap<>();
-	static Object2ObjectOpenHashMap<Grid, Object2LongMap<AEItemStack>> fuzzyAEItemStackCount = new Object2ObjectOpenHashMap<>();
-	static Object2ObjectOpenHashMap<Grid, Object2LongMap<AEItemStack>> preciseAEItemStackCount = new Object2ObjectOpenHashMap<>();
 
 	@Reflected
 	public PartLevelEmitter( final ItemStack is )
@@ -156,12 +154,6 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 		}
 	}
 
-	@MENetworkEventSubscribe
-	public void powerChanged( final MENetworkPowerStatusChange c )
-	{
-		this.updateState();
-	}
-
 	private void updateState()
 	{
 		final boolean isOn = this.isLevelEmitterOn();
@@ -206,9 +198,23 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 		return flipState ? this.reportingValue >= this.lastReportedValue + 1 : this.reportingValue < this.lastReportedValue + 1;
 	}
 
+	@MENetworkEventSubscribe
+	public void powerStatusChange( final MENetworkPowerStatusChange powerEvent )
+	{
+		if (this.getProxy().isActive())
+		{
+			onListUpdate();
+		}
+		this.updateState();
+	}
+
 	@MENetworkEventSubscribe
 	public void channelChanged( final MENetworkChannelsChanged c )
 	{
+		if (this.getProxy().isActive())
+		{
+			onListUpdate();
+		}
 		this.updateState();
 	}
 
@@ -296,24 +302,37 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 
 		try
 		{
-			if( this.getInstalledUpgrades( Upgrades.FUZZY ) > 0 || myStack == null )
+
+			if( myStack == null )
 			{
-				this.getProxy()
-						.getStorage()
-						.getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
-						.addListener( this,
-								this.getProxy().getGrid() );
+				this.getProxy().getStorage().getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ).addListener( this, this.getProxy().getGrid() );
 			}
 			else
 			{
 				this.getProxy().getStorage().getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ).removeListener( this );
-
 				if( this.myWatcher != null )
 				{
-					this.myWatcher.add( myStack );
+					if( this.getInstalledUpgrades( Upgrades.FUZZY ) > 0 )
+					{
+						Optional<OreReference> ores = OreHelper.INSTANCE.getOre( myStack.getDefinition() );
+						if( ores.isPresent() )
+						{
+							for( IAEItemStack iaeItemStack : ores.get().getAEEquivalents() )
+							{
+								this.myWatcher.add( iaeItemStack );
+							}
+						}
+						else
+						{
+							this.myWatcher.add( myStack );
+						}
+					}
+					else
+					{
+						this.myWatcher.add( myStack );
+					}
 				}
 			}
-
 			this.updateReportingValue( this.getProxy().getStorage().getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ) );
 		}
 		catch( final GridAccessException e )
@@ -323,90 +342,29 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 	}
 
 	private void updateReportingValue( final IMEMonitor<IAEItemStack> monitor )
-	{
-		updateReportingValue( monitor,null );
-	}
-
-	private void updateReportingValue( final IMEMonitor<IAEItemStack> monitor, Iterable<IAEItemStack> change )
 	{
 		final IAEItemStack myStack = this.config.getAEStackInSlot( 0 );
 
-		GridNode node = (GridNode) (this.getGridNode());
-
-		if( node != null )
+		if( myStack == null )
 		{
-
-			final Grid g = node.getInternalGrid();
-
-			if( myStack == null )
+			if( monitor instanceof NetworkMonitor )
 			{
-				if( change != null )
-				{
-					if( gridItemCount.containsKey( g ) )
-					{
-						change.forEach( iaeItemStack -> lastReportedValue += iaeItemStack.getStackSize() );
-					}
-				}
-				gridItemCount.computeIfAbsent( g, ( aLong ) -> {
-					this.lastReportedValue = 0;
-					monitor.getStorageList().forEach( iaeItemStack -> lastReportedValue += iaeItemStack.getStackSize() );
-					return ( lastReportedValue );
-				} );
-				this.lastReportedValue = gridItemCount.get( g );
+				this.lastReportedValue = ( (NetworkMonitor<IAEItemStack>) monitor ).getGridCurrentCount();
 			}
+		}
 
-			else if( this.getInstalledUpgrades( Upgrades.FUZZY ) > 0 )
-			{
-				final FuzzyMode fzMode = (FuzzyMode) this.getConfigManager().getSetting( Settings.FUZZY_MODE );
-				if( change != null )
-				{
-					if( fuzzyAEItemStackCount.containsKey( g ) )
-					{
-						change.forEach( iaeItemStack -> {
-							if( iaeItemStack.sameOre( myStack ) ) lastReportedValue += iaeItemStack.getStackSize();
-						} );
-					}
-				}
+		else if( this.getInstalledUpgrades( Upgrades.FUZZY ) > 0 )
+		{
+			final FuzzyMode fzMode = (FuzzyMode) this.getConfigManager().getSetting( Settings.FUZZY_MODE );
 
-				fuzzyAEItemStackCount.computeIfAbsent( g, ( grid -> new Object2LongOpenHashMap<>() ) );
-				fuzzyAEItemStackCount.get( g ).computeIfAbsent( (AEItemStack) myStack, ( aLong -> {
-					this.lastReportedValue = 0;
-					monitor.getStorageList().findFuzzy( myStack, fzMode ).forEach( iaeItemStack -> lastReportedValue += iaeItemStack.getStackSize() );
-					return ( lastReportedValue );
-				} ) );
-
-				this.lastReportedValue = fuzzyAEItemStackCount.get( g ).get( myStack );
-				if( this.lastReportedValue == 0 )
-				{
-					fuzzyAEItemStackCount.get( g ).remove( myStack );
-					fuzzyAEItemStackCount.trim();
-				}
-			}
-			else
-			{
-				if( change != null )
-				{
-					if( preciseAEItemStackCount.containsKey( g ) )
-					{
-						change.forEach( iaeItemStack -> {
-							if( iaeItemStack.isSameType( myStack ) ) lastReportedValue += iaeItemStack.getStackSize();
-						} );
-					}
-				}
-				preciseAEItemStackCount.computeIfAbsent( g, ( grid -> new Object2LongOpenHashMap<>() ) );
-				preciseAEItemStackCount.get( g ).computeIfAbsent( (AEItemStack) myStack, ( aLong -> {
-					this.lastReportedValue = 0;
-					IAEItemStack precise = monitor.getStorageList().findPrecise( myStack );
-					if( precise != null ) lastReportedValue = precise.getStackSize();
-					return ( lastReportedValue );
-				} ) );
-				this.lastReportedValue = preciseAEItemStackCount.get( g ).get( myStack );
-				if( this.lastReportedValue == 0 )
-				{
-					preciseAEItemStackCount.get( g ).remove( myStack );
-					preciseAEItemStackCount.trim();
-				}
-			}
+			this.lastReportedValue = 0;
+			monitor.getStorageList().findFuzzy( myStack, fzMode ).forEach( iaeItemStack -> lastReportedValue += iaeItemStack.getStackSize() );
+		}
+		else
+		{
+			this.lastReportedValue = 0;
+			IAEItemStack precise = monitor.getStorageList().findPrecise( myStack );
+			if( precise != null ) lastReportedValue = precise.getStackSize();
 		}
 		this.updateState();
 	}
@@ -419,12 +377,23 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 	}
 
 	@Override
-	public void onStackChange( final IItemList o, final IAEStack fullStack, final IAEStack diffStack, final IActionSource src, final IStorageChannel chan )
+	public void onStackChange( final IAEStack diffStack, final IStorageChannel chan )
 	{
-		if( chan == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) && fullStack.equals( this.config.getAEStackInSlot( 0 ) ) && this
-				.getInstalledUpgrades( Upgrades.FUZZY ) == 0 )
+		if( chan == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
 		{
-			this.lastReportedValue = fullStack.getStackSize();
+			IAEItemStack myStack = this.config.getAEStackInSlot( 0 );
+			if( this.getInstalledUpgrades( Upgrades.FUZZY ) > 0 )
+			{
+				final FuzzyMode fzMode = (FuzzyMode) this.getConfigManager().getSetting( Settings.FUZZY_MODE );
+				if( Platform.itemComparisons().isFuzzyEqualItem( myStack.getDefinition(), ( (IAEItemStack) diffStack ).getDefinition(), fzMode ) )
+				{
+					this.lastReportedValue += diffStack.getStackSize();
+				}
+			}
+			else if( diffStack.equals( myStack ) )
+			{
+				this.lastReportedValue += diffStack.getStackSize();
+			}
 			this.updateState();
 		}
 	}
@@ -459,7 +428,7 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 	@Override
 	public void postChange( final IBaseMonitor<IAEItemStack> monitor, final Iterable<IAEItemStack> change, final IActionSource actionSource )
 	{
-		this.updateReportingValue( (IMEMonitor<IAEItemStack>) monitor, change );
+		this.updateReportingValue( (IMEMonitor<IAEItemStack>) monitor );
 	}
 
 	@Override
@@ -636,9 +605,4 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 		}
 	}
 
-	public static void wipeCache(){
-		fuzzyAEItemStackCount.clear();
-		preciseAEItemStackCount.clear();
-		gridItemCount.clear();
-	}
 }

src/main/java/appeng/parts/misc/ItemHandlerAdapter.java

@@ -33,7 +33,6 @@ import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IItemList;
 import appeng.core.AELog;
-import appeng.me.GridAccessException;
 import appeng.me.helpers.IGridProxyable;
 import appeng.me.storage.ITickingMonitor;
 import appeng.util.inv.ItemHandlerIterator;
@@ -44,7 +43,6 @@ import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.items.IItemHandler;
-import net.minecraftforge.items.ItemHandlerHelper;
 
 import java.util.*;
 
@@ -83,6 +81,8 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 		stackCache = null;
 
 		ItemStack orgInput;
+		int slotCount = this.itemHandler.getSlots();
+
 		if( currentCached != null && iox.isSameType( currentCached ) )
 		{
 			// Cache is suitable, just update the count
@@ -94,10 +94,16 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 			// We need a new stack :-(
 			orgInput = iox.createItemStack();
 		}
-		ItemStack remaining = ItemHandlerHelper.insertItem( this.itemHandler, orgInput, type == Actionable.SIMULATE );
+
+		ItemStack remaining = orgInput;
+
+		for ( int i = 0; i < slotCount && !remaining.isEmpty(); i++ )
+		{
+			remaining = this.itemHandler.insertItem( i, remaining, type == Actionable.SIMULATE );
+		}
 
 		// Store the stack in the cache for next time.
-		if (!remaining.isEmpty() && remaining != orgInput)
+		if( !remaining.isEmpty() && remaining != orgInput )
 		{
 			stackCache = remaining;
 		}
@@ -111,15 +117,9 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 
 		if( type == Actionable.MODULATE )
 		{
-			try
-			{
-				this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
-			}
-			catch( GridAccessException ex )
-			{
-				// meh
-			}
-
+			this.cache
+					.currentlyCached
+					.add( AEItemStack.fromItemStack( orgInput ).setStackSize( orgInput.getCount() - remaining.getCount() ) );
 		}
 
 		return AEItemStack.fromItemStack( remaining );
@@ -128,18 +128,17 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 	@Override
 	public IAEItemStack extractItems( IAEItemStack request, Actionable mode, IActionSource src )
 	{
-		int remainingSize = Ints.saturatedCast(request.getStackSize());
+		int remainingSize = Ints.saturatedCast( request.getStackSize() );
 
 		// Use this to gather the requested items
 		ItemStack gathered = ItemStack.EMPTY;
 
 		final boolean simulate = ( mode == Actionable.SIMULATE );
-
-		for( int i = 0; i < this.itemHandler.getSlots(); i++ )
+		for ( int i = 0; i < this.itemHandler.getSlots(); i++ )
 		{
 			ItemStack stackInInventorySlot = this.itemHandler.getStackInSlot( i );
 
-			if (!request.isSameType(stackInInventorySlot))
+			if( !request.isSameType( stackInInventorySlot ) )
 			{
 				continue;
 			}
@@ -191,19 +190,17 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 
 		if( !gathered.isEmpty() )
 		{
+			IAEItemStack gatheredAEItemStack = AEItemStack.fromItemStack( gathered );
 			if( mode == Actionable.MODULATE )
 			{
-				try
+				IAEItemStack e = this.cache.currentlyCached.findPrecise( gatheredAEItemStack );
+				if (e != null)
 				{
-					this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
-				}
-				catch( GridAccessException ex )
-				{
-					// meh
+					e.decStackSize( gathered.getCount() );
 				}
 			}
 
-			return AEItemStack.fromItemStack( gathered );
+			return gatheredAEItemStack;
 		}
 
 		return null;
@@ -274,9 +271,10 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 
 	private static class InventoryCache implements Iterable<ItemSlot>
 	{
-		private IAEItemStack[] cachedAeStacks = new IAEItemStack[0];
 		private final IItemHandler itemHandler;
 		private final StorageFilter mode;
+		IItemList<IAEItemStack> currentlyCached = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+
 
 		public InventoryCache( IItemHandler itemHandler, StorageFilter mode )
 		{
@@ -286,7 +284,7 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 
 		public IItemList<IAEItemStack> getAvailableItems( IItemList<IAEItemStack> out )
 		{
-			Arrays.stream( this.cachedAeStacks ).forEach( out::add );
+			currentlyCached.iterator().forEachRemaining( out::add );
 			return out;
 		}
 
@@ -298,93 +296,41 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 		public List<IAEItemStack> update()
 		{
 			final List<IAEItemStack> changes = new ArrayList<>();
-			final int slots = this.itemHandler.getSlots();
 
-			// Make room for new slots
-			if( slots > this.cachedAeStacks.length )
-			{
-				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
-			}
+			IItemList<IAEItemStack> currentlyOnStorage = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
 
-			for( final ItemSlot is : this )
+			for ( final ItemSlot is : this )
 			{
-				// Save the old stuff
-				final IAEItemStack oldAeIS = this.cachedAeStacks[is.getSlot()];
 				final ItemStack newIS = !is.isExtractable() && this.getMode() == StorageFilter.EXTRACTABLE_ONLY ? ItemStack.EMPTY : is.getItemStack();
-
-				this.handlePossibleSlotChanges( is.getSlot(), oldAeIS, newIS, changes );
-			}
-			// Handle cases where the number of slots actually is lower now than before
-			if( slots < this.cachedAeStacks.length )
-			{
-				for( int slot = slots; slot < this.cachedAeStacks.length; slot++ )
+				if( !newIS.isEmpty() )
 				{
-					final IAEItemStack aeStack = this.cachedAeStacks[slot];
-
-					if( aeStack != null )
-					{
-						final IAEItemStack a = aeStack.copy();
-						a.setStackSize( -a.getStackSize() );
-						changes.add( a );
-					}
+					currentlyOnStorage.add( is.getAEItemStack() );
 				}
-
-				// Reduce the cache size
-				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
 			}
 
+			for ( final IAEItemStack is : currentlyCached )
+			{
+				is.setStackSize( -is.getStackSize() );
+			}
+
+			for ( final IAEItemStack is : currentlyOnStorage )
+			{
+				currentlyCached.add( is );
+			}
+
+			for ( final IAEItemStack is : currentlyCached )
+			{
+				if( is.getStackSize() != 0 )
+				{
+					changes.add( is );
+				}
+			}
+
+			currentlyCached = currentlyOnStorage;
+
 			return changes;
 		}
 
-		private void handlePossibleSlotChanges( int slot, IAEItemStack oldAeIS, ItemStack newIS, List<IAEItemStack> changes )
-		{
-			if( oldAeIS != null && oldAeIS.isSameType( newIS ) )
-			{
-				this.handleStackSizeChanged( slot, oldAeIS, newIS, changes );
-			}
-			else
-			{
-				this.handleItemChanged( slot, oldAeIS, newIS, changes );
-			}
-		}
-
-		private void handleStackSizeChanged( int slot, IAEItemStack oldAeIS, ItemStack newIS, List<IAEItemStack> changes )
-		{
-			// Still the same item, but amount might have changed
-			final long diff = newIS.getCount() - oldAeIS.getStackSize();
-
-			if( diff != 0 )
-			{
-				final IAEItemStack stack = oldAeIS.copy();
-				stack.setStackSize( newIS.getCount() );
-
-				this.cachedAeStacks[slot] = stack;
-
-				final IAEItemStack a = stack.copy();
-				a.setStackSize( diff );
-				changes.add( a );
-			}
-		}
-
-		private void handleItemChanged( int slot, IAEItemStack oldAeIS, ItemStack newIS, List<IAEItemStack> changes )
-		{
-			// Completely different item
-			this.cachedAeStacks[slot] = AEItemStack.fromItemStack( newIS );
-
-			// If we had a stack previously in this slot, notify the network about its disappearance
-			if( oldAeIS != null )
-			{
-				oldAeIS.setStackSize( -oldAeIS.getStackSize() );
-				changes.add( oldAeIS );
-			}
-
-			// Notify the network about the new stack. Note that this is null if newIS was null
-			if( this.cachedAeStacks[slot] != null )
-			{
-				changes.add( this.cachedAeStacks[slot] );
-			}
-		}
-
 		@Override
 		public Iterator<ItemSlot> iterator()
 		{

src/main/java/appeng/parts/misc/ItemRepositoryAdapter.java

@@ -13,7 +13,6 @@ import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IItemList;
 import appeng.core.AELog;
-import appeng.me.GridAccessException;
 import appeng.me.helpers.IGridProxyable;
 import appeng.me.storage.ITickingMonitor;
 import appeng.util.item.AEItemStack;
@@ -24,7 +23,6 @@ import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import net.minecraft.item.ItemStack;
 
 import java.util.*;
-import java.util.stream.Collectors;
 
 
 /**
@@ -85,14 +83,9 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
 
         if( type == Actionable.MODULATE )
         {
-            try
-            {
-                this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
-            }
-            catch( GridAccessException ex )
-            {
-                // meh
-            }
+            this.cache
+                    .currentlyCached
+                    .add( AEItemStack.fromItemStack( orgInput ).setStackSize( orgInput.getCount() - remaining.getCount() ) );
         }
 
         return AEItemStack.fromItemStack( remaining );
@@ -102,7 +95,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
     @Override
     public IAEItemStack extractItems( IAEItemStack request, Actionable mode, IActionSource src )
     {
-        int remainingSize = Ints.saturatedCast(request.getStackSize());
+        int remainingSize = Ints.saturatedCast( request.getStackSize() );
 
         final boolean simulate = ( mode == Actionable.SIMULATE );
 
@@ -112,25 +105,22 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
         {
             // Something broke. It should never return more than we requested...
             // We're going to silently eat the remainder
-            AELog.warn( "Mod that provided item handler %s is broken. Returned %s items while only requesting %d.",
-                    this.itemRepository.getClass().getName(), extracted.toString(), remainingSize );
+            AELog.warn( "Mod that provided item handler %s is broken. Returned %s items while only requesting %d.", this.itemRepository.getClass().getName(), extracted.toString(), remainingSize );
             extracted.setCount( remainingSize );
         }
 
         if( !extracted.isEmpty() )
         {
+            IAEItemStack extractedAEItemStack = AEItemStack.fromItemStack( extracted );
             if( mode == Actionable.MODULATE )
             {
-                try
+                IAEItemStack e = this.cache.currentlyCached.findPrecise( extractedAEItemStack );
+                if (e != null)
                 {
-                    this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
-                }
-                catch( GridAccessException ex )
-                {
-                    // meh
+                    e.decStackSize( extracted.getCount() );
                 }
             }
-            return AEItemStack.fromItemStack( extracted );
+            return extractedAEItemStack;
         }
         return null;
     }
@@ -202,7 +192,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
 
     private static class InventoryCache
     {
-        private IAEItemStack[] cachedAeStacks = new IAEItemStack[0];
+        private IItemList<IAEItemStack> currentlyCached = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
         private final IItemRepository iItemRepository;
 
         public InventoryCache( IItemRepository iItemRepository )
@@ -212,7 +202,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
 
         public IItemList<IAEItemStack> getAvailableItems( IItemList<IAEItemStack> out )
         {
-            Arrays.stream( this.cachedAeStacks ).forEach( out::add );
+            currentlyCached.iterator().forEachRemaining( out::add );
             return out;
         }
 
@@ -220,95 +210,31 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
         {
             final List<IAEItemStack> changes = new ArrayList<>();
 
-            List<IAEItemStack> out = this.iItemRepository.getAllItems().stream().map( s -> AEItemStack.fromItemStack( s.itemPrototype ).setStackSize( s.count ) ).collect( Collectors.toList() );
+            IItemList<IAEItemStack> currentlyOnStorage = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+            this.iItemRepository.getAllItems().stream().map( s -> AEItemStack.fromItemStack( s.itemPrototype ).setStackSize( s.count ) ).forEach( currentlyOnStorage::add );
 
-            final int size = out.size();
-
-            // Make room for new slots
-            if( size > this.cachedAeStacks.length )
+            for ( final IAEItemStack is : currentlyCached )
             {
-                this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, size );
+                is.setStackSize( -is.getStackSize() );
             }
 
-            for( int x = 0; x < size; x++ )
+            for ( final IAEItemStack is : currentlyOnStorage )
             {
-                // Save the old stuff
-                final IAEItemStack oldAeIS = this.cachedAeStacks[x];
-                final IAEItemStack newIS = out.get( x );
-
-                this.handlePossibleSlotChanges( x, oldAeIS, newIS, changes );
+                currentlyCached.add( is );
             }
 
-            // Handle cases where the number of slots actually is lower now than before
-            if( size < this.cachedAeStacks.length )
+            for ( final IAEItemStack is : currentlyCached )
             {
-                for( int x = 0; x < this.cachedAeStacks.length; x++ )
+                if( is.getStackSize() != 0 )
                 {
-                    final IAEItemStack aeStack = this.cachedAeStacks[x];
-
-                    if( aeStack != null )
-                    {
-                        final IAEItemStack a = aeStack.copy();
-                        a.setStackSize( -a.getStackSize() );
-                        changes.add( a );
-                    }
+                    changes.add( is );
                 }
-
-                // Reduce the cache size
-                this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, size );
             }
 
+            currentlyCached = currentlyOnStorage;
+
             return changes;
         }
 
-        private void handlePossibleSlotChanges( int slot, IAEItemStack oldAeIS, IAEItemStack newIS, List<IAEItemStack> changes )
-        {
-            if( oldAeIS != null && oldAeIS.isSameType( newIS ) )
-            {
-                this.handleStackSizeChanged( slot, oldAeIS, newIS, changes );
-            }
-            else
-            {
-                this.handleItemChanged( slot, oldAeIS, newIS, changes );
-            }
-        }
-
-        private void handleStackSizeChanged( int slot, IAEItemStack oldAeIS, IAEItemStack newIS, List<IAEItemStack> changes )
-        {
-            // Still the same item, but amount might have changed
-            final long diff = newIS.getStackSize() - oldAeIS.getStackSize();
-
-            if( diff != 0 )
-            {
-                final IAEItemStack stack = oldAeIS.copy();
-                stack.setStackSize( newIS.getStackSize() );
-
-                this.cachedAeStacks[slot] = stack;
-
-                final IAEItemStack a = stack.copy();
-                a.setStackSize( diff );
-                changes.add( a );
-            }
-        }
-
-        private void handleItemChanged( int slot, IAEItemStack oldAeIS, IAEItemStack newIS, List<IAEItemStack> changes )
-        {
-            // Completely different item
-            this.cachedAeStacks[slot] =  newIS ;
-
-            // If we had a stack previously in this slot, notify the network about its disappearance
-            if( oldAeIS != null )
-            {
-                oldAeIS.setStackSize( -oldAeIS.getStackSize() );
-                changes.add( oldAeIS );
-            }
-
-            // Notify the network about the new stack. Note that this is null if newIS was null
-            if( this.cachedAeStacks[slot] != null )
-            {
-                changes.add( this.cachedAeStacks[slot] );
-            }
-        }
-
     }
 }

src/main/java/appeng/parts/misc/PartStorageBus.java

@@ -258,20 +258,17 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 	@Override
 	public void postChange( final IBaseMonitor<IAEItemStack> monitor, final Iterable<IAEItemStack> change, final IActionSource source )
 	{
-		if( source == this.mySrc || source.machine().map( machine -> machine == this ).orElse( false ) )
+		try
 		{
-			try
+			if( this.getProxy().isActive() )
 			{
-				if( this.getProxy().isActive() )
-				{
-					this.getProxy().getStorage().postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), change, this.mySrc );
-				}
-			}
-			catch( final GridAccessException e )
-			{
-				// :(
+				this.getProxy().getStorage().postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), change, this.mySrc );
 			}
 		}
+		catch( final GridAccessException e )
+		{
+			// :(
+		}
 	}
 
 	@Override
@@ -598,7 +595,7 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 	{
 		if( channel == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
 		{
-			final IMEInventoryHandler<IAEItemStack> out = this.getProxy().isActive() ? this.getInternalHandler() : null;
+			final IMEInventoryHandler<IAEItemStack> out = this.getInternalHandler();
 			if( out != null )
 			{
 				return Collections.singletonList( out );

src/main/java/appeng/parts/reporting/AbstractPartMonitor.java

@@ -21,10 +21,12 @@ package appeng.parts.reporting;
 
 import java.io.IOException;
 
+import appeng.api.networking.events.MENetworkChannelsChanged;
+import appeng.api.networking.events.MENetworkEventSubscribe;
+import appeng.api.networking.events.MENetworkPowerStatusChange;
 import appeng.api.storage.channels.IFluidStorageChannel;
 import appeng.api.storage.data.IAEFluidStack;
 import appeng.fluids.util.AEFluidStack;
-import appeng.util.item.AEStack;
 import io.netty.buffer.ByteBuf;
 
 import net.minecraft.client.renderer.GlStateManager;
@@ -43,7 +45,6 @@ import net.minecraftforge.fml.relauncher.SideOnly;
 
 import appeng.api.AEApi;
 import appeng.api.implementations.parts.IPartStorageMonitor;
-import appeng.api.networking.security.IActionSource;
 import appeng.api.networking.storage.IStackWatcher;
 import appeng.api.networking.storage.IStackWatcherHost;
 import appeng.api.parts.IPartModel;
@@ -52,7 +53,6 @@ import appeng.api.storage.IStorageChannel;
 import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IAEStack;
-import appeng.api.storage.data.IItemList;
 import appeng.client.render.TesrRenderHelper;
 import appeng.core.localization.PlayerMessages;
 import appeng.helpers.Reflected;
@@ -385,19 +385,87 @@ public abstract class AbstractPartMonitor extends AbstractPartDisplay implements
 		this.configureWatchers();
 	}
 
+	@MENetworkEventSubscribe
+	public void powerStatusChange( final MENetworkPowerStatusChange ev )
+	{
+		if( !this.getProxy().isPowered() )
+		{
+			if( this.myWatcher != null )
+			{
+				if( this.configuredItem != null )
+				{
+					this.configuredItem.setStackSize( 0 );
+				}
+				if( this.configuredFluid != null )
+				{
+					this.configuredFluid.setStackSize( 0 );
+				}
+			}
+		}
+		else
+		{
+			try
+			{
+				if( this.configuredItem != null )
+				{
+					this.updateReportingValue( this.getProxy().getStorage().getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ) );
+				}
+				if( this.configuredFluid != null )
+				{
+					this.updateReportingValue( this.getProxy().getStorage().getInventory( AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) ) );
+				}
+			}
+			catch( final GridAccessException e )
+			{
+				// ;P
+			}
+		}
+	}
+
+	@MENetworkEventSubscribe
+	public void channelChanged( final MENetworkChannelsChanged c )
+	{
+		if( !this.getProxy().isPowered() )
+		{
+			if( this.myWatcher != null )
+			{
+				if( this.configuredItem != null )
+				{
+					this.configuredItem.setStackSize( 0 );
+				}
+				if( this.configuredFluid != null )
+				{
+					this.configuredFluid.setStackSize( 0 );
+				}
+			}
+		}
+		else
+		{
+			try
+			{
+				if( this.configuredItem != null )
+				{
+					this.updateReportingValue( this.getProxy().getStorage().getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ) );
+				}
+				if( this.configuredFluid != null )
+				{
+					this.updateReportingValue( this.getProxy().getStorage().getInventory( AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) ) );
+				}
+			}
+			catch( final GridAccessException e )
+			{
+				// ;P
+			}
+		}
+	}
+
 	@Override
-	public void onStackChange( final IItemList o, final IAEStack fullStack, final IAEStack diffStack, final IActionSource src, final IStorageChannel chan )
+	public void onStackChange( final IAEStack diffStack, final IStorageChannel chan )
 	{
 		if( this.configuredItem != null )
 		{
-			if( fullStack == null )
-			{
-				this.configuredItem.setStackSize( 0 );
-			}
-			else
-			{
-				this.configuredItem.setStackSize( fullStack.getStackSize() );
-			}
+			long diff = this.configuredItem.getStackSize() + diffStack.getStackSize();
+			this.configuredItem.setStackSize( diff >= 0 ? this.configuredItem.getStackSize() + diffStack.getStackSize() : 0 );
 
 			final long stackSize = this.configuredItem.getStackSize();
 			final String humanReadableText = NUMBER_CONVERTER.toWideReadableForm( stackSize );
@@ -410,14 +478,8 @@ public abstract class AbstractPartMonitor extends AbstractPartDisplay implements
 		}
 		else if( this.configuredFluid != null )
 		{
-			if( fullStack == null )
-			{
-				this.configuredFluid.setStackSize( 0 );
-			}
-			else
-			{
-				this.configuredFluid.setStackSize( fullStack.getStackSize() );
-			}
+			long diff = this.configuredFluid.getStackSize() + diffStack.getStackSize();
+			this.configuredFluid.setStackSize( diff >= 0 ? this.configuredFluid.getStackSize() + diffStack.getStackSize() : 0 );
 
 			final long stackSize = this.configuredFluid.getStackSize() / 1000;
 			final String humanReadableText = NUMBER_CONVERTER.toWideReadableForm( stackSize ) + "B";

src/main/java/appeng/util/Platform.java

@@ -1246,18 +1246,20 @@ public class Platform
 				if( itemToAdd < input.getStackSize() )
 				{
 					final long original = input.getStackSize();
+					final T leftover = input.copy();
 					final T split = input.copy();
-					split.decStackSize( itemToAdd );
-					input.setStackSize( itemToAdd );
-					split.add( cell.injectItems( input, Actionable.MODULATE, src ) );
+
+					leftover.decStackSize(itemToAdd);
+					split.setStackSize(itemToAdd);
+					leftover.add(cell.injectItems(split, Actionable.MODULATE, src));
 
 					src.player().ifPresent( player ->
 					{
-						final long diff = original - split.getStackSize();
+						final long diff = original - leftover.getStackSize();
 						Stats.ItemsInserted.addToPlayer( player, (int) diff );
 					} );
 
-					return split;
+					return leftover;
 				}
 
 				final T ret = cell.injectItems( input, Actionable.MODULATE, src );

src/main/java/appeng/util/item/FuzzyItemVariantList.java

@@ -148,7 +148,7 @@ class FuzzyItemVariantList extends ItemVariantList {
      */
     static ItemDamageBound makeLowerBound(final ItemStack stack, final FuzzyMode fuzzy)
     {
-        Preconditions.checkState( stack.getItem().isDamageable() || (Platform.isModLoaded( "gregtech" ) && stack.getItem() instanceof MetaTool), "Item#isDamageable() has to be true" );
+        Preconditions.checkState( stack.getItem().isDamageable() , "Item#isDamageable() has to be true" );
 
         int damage;
         if( fuzzy == FuzzyMode.IGNORE_ALL )
@@ -176,7 +176,7 @@ class FuzzyItemVariantList extends ItemVariantList {
      * lower number than the lower bound. It also is exclusive.
      */
     static ItemDamageBound makeUpperBound(final ItemStack stack, final FuzzyMode fuzzy) {
-        Preconditions.checkState(stack.getItem().isDamageable() || (Platform.isModLoaded( "gregtech" ) && stack.getItem() instanceof MetaTool), "Item#isDamageable() has to be true");
+        Preconditions.checkState(stack.getItem().isDamageable() , "Item#isDamageable() has to be true");
 
         int damage;
         if (fuzzy == FuzzyMode.IGNORE_ALL) {

src/main/java/appeng/util/item/ItemList.java

@@ -151,7 +151,7 @@ public final class ItemList implements IItemList<IAEItemStack> {
     }
 
     private ItemVariantList makeRecordMap(Item item) {
-        if (item.isDamageable() || (Platform.isModLoaded( "gregtech" ) && item instanceof MetaTool) ) {
+        if (item.isDamageable() ) {
             return new FuzzyItemVariantList();
         } else {
             return new NormalItemVariantList();

src/main/java/appeng/util/item/OreReference.java

@@ -43,7 +43,7 @@ public class OreReference
 		return this.otherOptions;
 	}
 
-	List<IAEItemStack> getAEEquivalents()
+	public List<IAEItemStack> getAEEquivalents()
 	{
 		if( this.aeOtherOptions == null )
 		{

src/main/resources/assets/appliedenergistics2/recipes/materials/cardpatternexpansion.json

@@ -18,32 +18,20 @@
         "type": "appliedenergistics2:part",
         "part": "material.card_pattern_expansion"
     },
-    "type": "appliedenergistics2:part_shaped",
-    "pattern": [
-        "ci"
-    ],
+    "type": "appliedenergistics2:part_shapeless",
     "ingredients": [
         {
             "type": "appliedenergistics2:part",
-        	"part": "material.advanced_card"
+            "part": "material.advanced_card"
         },
-        {
-			"key": "#"
-        }
-    ],
-    "key": {
-    "i": [
-        {
-			"item": "appliedenergistics2:interface"
-        },
-        {
-        	"type": "appliedenergistics2:part",
-        	"part": "part.interface"
-        }],
-        "c": {
-            "type": "appliedenergistics2:part",
-        	"part": "material.advanced_card"
-       }
-    
-  }
+        [
+        	{
+                "item": "appliedenergistics2:interface"
+            },
+            {
+                "type": "appliedenergistics2:part",
+                "part": "part.interface"
+            }
+        ]
+    ]
 }